#D3371. Some Sums
Some Sums
Some Sums
Find the sum of the integers between 1 and N (inclusive), whose sum of digits written in base 10 is between A and B (inclusive).
Constraints
- 1 \leq N \leq 10^4
- 1 \leq A \leq B \leq 36
- All input values are integers.
Input
Input is given from Standard Input in the following format:
N A B
Output
Print the sum of the integers between 1 and N (inclusive), whose sum of digits written in base 10 is between A and B (inclusive).
Examples
Input
20 2 5
Output
84
Input
10 1 2
Output
13
Input
100 4 16
Output
4554
inputFormat
input values are integers.
Input
Input is given from Standard Input in the following format:
N A B
outputFormat
Output
Print the sum of the integers between 1 and N (inclusive), whose sum of digits written in base 10 is between A and B (inclusive).
Examples
Input
20 2 5
Output
84
Input
10 1 2
Output
13
Input
100 4 16
Output
4554
样例
10 1 2
13